package com.bff.gaia.streaming.api.xjoin.core.side;/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import com.bff.gaia.api.common.functions.RichFlatMapFunction;
import com.bff.gaia.configuration.Configuration;
import com.bff.gaia.streaming.api.xjoin.core.threadFactory.DTThreadFactory;
import com.bff.gaia.types.Row;

import java.sql.SQLException;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;

/**
 * Project Name: gaia-parent
 * Description:
 * Data: 2019/7/19 17:40
 *
 * @author tiger
 * @version v1.0
 */
public abstract class AllReqRow extends RichFlatMapFunction<Row,Row> implements ISideReqRow {

	protected SideInfo sideInfo;

	private ScheduledExecutorService es;

	public AllReqRow(SideInfo sideInfo){
		this.sideInfo = sideInfo;

	}

	protected abstract void initCache() throws SQLException;

	protected abstract void reloadCache();

	@Override
	public void open(Configuration parameters) throws Exception {
		super.open(parameters);
		initCache();
		System.out.println("----- all cacheRef init end-----");

		//start reload cache thread
		SideTableInfo sideTableInfo = sideInfo.getSideTableInfo();
		es = Executors.newSingleThreadScheduledExecutor(new DTThreadFactory("cache-all-reload"));
		es.scheduleAtFixedRate(() -> reloadCache(), sideTableInfo.getCacheTimeout(), sideTableInfo.getCacheTimeout(), TimeUnit.MILLISECONDS);
	}
}